Read LG 19LS4D (CHASSIS:LD73B) Service Manual online
- 10 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet is applied to all of the LD73B chassis
manufactured at LG TV Plant all over the world.
manufactured at LG TV Plant all over the world.
2. Specification.
1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer.
However, the use of isolation transformer will help to
protect test instruments
However, the use of isolation transformer will help to
protect test instruments
2) Adjustment must be done in the correct sequence.
3) The adjustment must be performed at 25±5°C temperature
3) The adjustment must be performed at 25±5°C temperature
and 65±10% relative humidity if there is no specified
designation.
designation.
4) The input voltage of the receiver must be kept between
100-220V~, 50/60Hz.
5) Before adjustment, execute Heat-Run for 30 minutes at RF
no signal.
3. Channel Memory
3.1. Setting up the LGIDS
1) Press ADJ key in Adjust remote control.
2) Select “Channel Recover” by using
2) Select “Channel Recover” by using
D
/
E
(CH+/-) key, and
press
G
(VOL+).
3) When Channel Recover is completed, set will be turned off
and LED light go to stand-by mode.
4. EDID
* Caution
1) Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
- Digital EDID : Pin3 exists
2) Never connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing.
3) Use the proper cables below for EDID Writing.
4.1. EDID Data
4.2. Data
(1) ANALOG (128 bytes)
(2) HDMI 1 (256 bytes)=>
=> Detail EDID Options are below (a, b, c, d, e-1, e-2)
(a) Product ID
(b) Serial No: Controlled on production line.
(c) Month, Year: Controlled on production line:
(b) Serial No: Controlled on production line.
(c) Month, Year: Controlled on production line:
ex) Monthly : ‘09’ -> ‘09’
Year : ‘2006’ -> ‘10’
(d) Model Name(Hex):
(e-1, e-2, f) Checksum: Changeable by total EDID data.
(e-1, e-2, f) Checksum: Changeable by total EDID data.
D-sub to D-sub
DVI-D to HDMI or HDMI or HDMI
For HDMI EDID
For Analog EDID
Item
Manufacturer ID
Version
Revision
Condition
GSM
Digital : 1
Digital : 3
Data(Hex)
1E6D
01
03
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 00
FF
FF
FF
FF
FF
FF
00
1E
6D
(a)
(b)
0x01
(c)
01
03
08
2F
1E
78
0A
AE
C5
A2
57
4A
9C
25
0x02 12
50
54
A5
6E
00
81
80
95
00
D1
C0
01
01
01
01
0x03 01
01
01
01
01
01
7C
2E
90
A0
60
1A
1E
40
30
20
0x04 36
00
D9
28
11
00
00
1C
21
39
90
30
62
1A
27
40
0x05 68
B0
36
00
D9
28
11
00
00
1C
00
00
00
FD
00
38
0x06 4B
1C
53
0F
00
0A
20
20
20
20
20
20
00
00
00
FC
0x07 00
32
32
4C
53
34
44
2D
5A
42
0A
20
20
20
00 (e-2)
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 00
FF
FF
FF
FF
FF
FF
00
1E
6D
(a)
(b)
0x01
(c)
01
03
80
2F
1E
78
0A
AE
C5
A2
57
4A
9C
25
0x02 12
50
54
A5
6E
00
81
80
95
00
D1
C0
01
01
01
01
0x03 01
01
01
01
01
01
7C
2E
90
A0
60
1A
1E
40
30
20
0x04 36
00
D9
28
11
00
00
1C
21
39
90
30
62
1A
27
40
0x05 68
B0
36
00
D9
28
11
00
00
1C
00
00
00
FD
00
38
0x06 4B
1C
53
0F
00
0A
20
20
20
20
20
20
00
00
00
FC
0x07 00
32
32
4C
53
34
44
2D
5A
42
0A
20
20
20
01 (e-2)
0x00 02
03
21
F1
4E
81
02
03
15
12
13
04
14
05
20
21
0x01 22
1F
10
23
09
07
07
83
01
00
00
65
03
0C
00
10
0x02 00
01
1D
00
80
51
D0
1C
20
40
80
35
00
BC
88
21
0x03 00
00
1E
8C
0A
D0
8A
20
E0
2D
10
10
3E
96
00
13
0x04 8E
21
00
00
18
02
3A
80
18
71
38
2D
40
58
2C
45
0x05 00
06
44
21
00
00
1E
01
1D
80
18
71
1C
16
20
58
0x06 2C
25
00
C4
8E
21
00
00
9E
4E
1F
00
80
51
00
1E
0x07 30
40
80
37
00
BC
88
21
00
00
18
00
00
00
00
(f)
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